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TLS Online TPP Program

#Question id: 570

Which of the following is true for allosteric enzymes

#SCPH28 | Zoology

  1. Allosteric enzymes regulated primarily by covalent modification.

  2. Allosteric enzymes usually catalyze several different reactions within a metabolic pathway.

  3. Allosteric enzymes usually have more than one polypeptide chain.

  4. Allosteric enzymes usually have only one active site.

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TLS Online TPP Program

#Question id: 955

#SCPH05 I Biotechnology

In amino acid catabolism the α-amino groups are initially released as ________.
TLS Online TPP Program

#Question id: 22954

#SCPH06 I Botany

According to the which Model, floral organ identity is regulated by tetrameric complexes of the ABCE proteins
TLS Online TPP Program

#Question id: 12737

#SCPH06 I Botany

 Name the technique which is used to detect abnormalities at an early stage.
TLS Online TPP Program

#Question id: 10903

#I Life Science/ Life Sciences Group – I-V

Materials translocated in the phloem, such as sucrose, amino acids, hormones and some inorganic ions. Some inorganic solutes that move in the phloem called mobile elements. In contrast, some are relatively immobile in the phloem.

A) Immobile elements

B) Mobile elements

i) potassium, magnesium, phosphate, and chloride

ii) caesium, zinc, magnesium and iron

iii) nitrate, calcium, sulfur, and iron

iv) potassium, calcium, cobalt and caesium

Which of the following are the correct match of mobile and immobile elements in the phloem?
TLS Online TPP Program

#Question id: 363

#SCPH01 Biochemistry

What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4? If 1.0 mL of 10.0 M NaOH is added to a liter of the buffer prepared, how much will the pH change? (pKa = 6.86)